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Add 10/56 and 21/72

10/56 + 21/72 is 79/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    10/56 = 10 × 9/56 × 9 = 90/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    21/72 = 21 × 7/72 × 7 = 147/504
  4. Add the two like fractions:
    90/504 + 147/504 = 90 + 147/504 = 237/504
  5. 237/504 simplified gives 79/168
  6. So, 10/56 + 21/72 = 79/168

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